Platform Engineer — DoD Secure IT & Cloud Solutions

CACI; Chantilly (VA); On-site; USD 90,000 - 190,000; Full time

Job summary

The Defense Intelligence Agency (DIA) seeks a Platform Engineer to design, implement, and operate secure, scalable platform services across Windows Server, Linux, virtual, physical, and cloud environments. You will drive modernization, automation, and mission‑ready performance while meeting stringent DoD/IC compliance and RMF/ATO requirements.

As the technical authority, you will craft optimized OS configurations, manage SQL Server clusters, ensure DISA STIG compliance, and produce engineering

Qualifications

• Must hold a current Top Secret SCI clearance with ability to obtain poly prior to start
• DOD 8140 Certification applicable to role (minimum Security+)
• HS and 16+ years of experience, an AA and 14+ years of experience, BS/BA and 12+ years of experience, MS/MA and 10+ years of experience, or PhD and 8+ years of experience.
• Minimum 4 years of hands‑on experience designing, integrating, validating, and implementing IT hardware and software solutions.
• Microsoft‑certified Windows Server Hybrid Administrator Associate or Red Hat Certified Administrator (RHCS) or Linux Professional Institute LPIC‑1 certification.
• Willingness to learn new skills and new technologies.
• Desired: Degree in Science, Technology, Engineering, or Mathematics.
• Familiarity with IC ITE services and classified environments.
• ITIL 4 Foundation Certification (or higher).

Responsibilities

• Design efficient Windows Server and Linux operating system configurations to host enterprise business systems and customer applications.
• Lead modernization and upgrade efforts for enterprise SQL Server clustered platforms, ensuring RMF accreditation and Authority to Operate (ATO) approval.
• Develop, review, and implement agency, DoD, and IC standards for SharePoint/Collaboration services and Windows Server, database, and application security, including DISA STIG compliance.
• Manage and maintain DIA’s database infrastructure, including enterprise SQL Server clusters and stand‑alone databases.
• Apply familiarity with physical hardware, virtual infrastructure, and cloud deployment variations to support diverse mission requirements.
• Support Interim Authority to Test (IATT) and recurring ATO packages for acquired or inherited environments.
• Collaborate with Operations teams to ensure maximum availability and reliability when accessing physical or remote administration services.
• Automate builds, rebuilds, zero‑day configurations, and deployment processes for high‑availability platform services.
• Analyze requirements, concepts of operations, and system architectures to produce detailed platform‑infrastructure designs aligned with mission objectives.
• Work with Operations teams and Government stakeholders to refine requirements and verify availability, reliability, resiliency, and operability objectives.
• Research optimal design characteristics, conduct Analyses of Alternatives, and provide informed recommendations on platform technologies and feasibility studies.
• Integrate capacity, performance, and service‑level metrics into platform designs to optimize user experience and infrastructure utilization.
• Produce engineering artifacts, detailed designs, test cases, training content, and supporting documentation—including CONOPS—while working independently or guiding small teams.
• Research new platform technologies, evaluate integration value, and provide objective tradeoff analyses as part of Continual Service Improvement and innovation cycles.
• Use Lab facilities to conduct experimentation, feasibility studies, investigations, and technology validation.
• Develop unit and system‑level test cases and scripts, ensuring complete coverage and successful outcomes before production deployment.
• Support acceptance testing, Blue/Green fielding, and early production rollouts to ensure smooth operational adoption of engineered solutions.
• Provide advanced troubleshooting, repair, and optimization for Virtual Desktop Infrastructure components related to platform service delivery.
• Develop platform strategies for assessment, planning, vendor evaluation, procurement, deployment governance, compliance assurance, and risk management across phased modernization efforts.
• Support end‑to‑end engineering‑to‑operations transition activities to maintain stable, secure, and mission‑aligned platform performance.

Skills

Windows Server

Linux

RMF/ATO

DoD/IC standards

SharePoint/Collaboration security

IATT/ATO support

Automation

System design

Education

High school diploma

Associate degree (AA)

Bachelor's degree (BS/BA)

Master's degree (MS/MA)

PhD

Tools

Microsoft-certified Windows Server Hybrid Administrator Associate

Red Hat Certified Administrator (RHCS)

Linux Professional Institute LPIC‑1 certification

Job description

The Defense Intelligence Agency (DIA) seeks a Platform Engineer to design, implement, and operate secure, scalable platform services across Windows Server, Linux, virtual, physical, and cloud environments. You will drive modernization, automation, and mission‑ready performance while meeting stringent DoD/IC compliance and RMF/ATO requirements.

As the technical authority, you will craft optimized OS configurations, manage SQL Server clusters, ensure DISA STIG compliance, and produce engineering